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An Adaptive-ADMM Algorithm With Support and Signal Value Detection for Compressed Sensing

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4 Author(s)
Haixiao Liu ; State Key Lab. of Integrated Services Networks, Xidian Univ., Xi''an, China ; Bin Song ; Hao Qin ; Zhiliang Qiu

This letter presents a novel adaptive alternating direction method of multipliers with support/signal value detection for compressed sensing. The support/signal value detection in our algorithm can achieve an efficient reconstruction by leveraging more information that goes beyond simple sparsity. Especially for time-correlated signals in large-scale problems, our proposal performs better than conventional methods, since more accurate signal information could be estimated from prior knowledge during initialization. Simulation results show that our method can improve the average PSNR by 1.02-2.05 dB for undersampled video sequences.

Published in:

Signal Processing Letters, IEEE  (Volume:20 ,  Issue: 4 )

Date of Publication:

April 2013

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